The System Sensor D4120W represents a robust watertight 4-wire duct smoke detector engineered for comprehensive HVAC system fire detection and monitoring. Designed specifically for commercial and industrial applications, this detector provides critical early smoke detection within air handling units, ventilation systems, and complex ductwork environments. Its watertight construction ensures reliable performance in challenging environmental conditions, making it an essential component for facilities requiring comprehensive fire protection strategies.
Utilizing advanced photoelectric sensing technology, the D4120W delivers precise smoke detection capabilities across a wide range of commercial installations. Compatible with most addressable fire alarm control panels, this detector integrates seamlessly into existing life safety infrastructure, providing real-time monitoring and rapid smoke detection in spaces where traditional area smoke detectors cannot be effectively deployed.
Key Features
- Watertight design with IP66 rating for superior environmental protection
- 4-wire configuration supporting direct connection to addressable fire alarm panels
- Photoelectric sensing technology with enhanced sensitivity to visible and obscured smoke particles
- Compatible with standard 24VDC fire alarm circuits and HVAC monitoring systems
- UL 268 and NFPA 72 compliant for comprehensive fire detection standards
- Wide operating temperature range from 32°F to 120°F
Specifications
- Operating Voltage: 15-32 VDC
- Standby Current: Less than 250 µA
- Alarm Current: 5-7 mA
- Mounting: Standard 4″ electrical box or duct mounting
- Recommended Duct Width: 1-12 feet
- Listing: UL Listed, City of New York MEA Approved
Typical installation scenarios include commercial office complexes, healthcare facilities, educational institutions, data centers, and manufacturing environments where comprehensive HVAC fire detection is critical. The D4120W offers fire alarm professionals a reliable, technically advanced solution for detecting potential fire conditions within complex ventilation systems.
For more information, contact the Life Safety Consultants team at (888) 557-0558, or email us at: sales@lifesafetycom.com
Additional information
| Weight | 3.1 lbs |
|---|---|
| Dimensions | 16 × 6 × 4 in |
| Condition | New |
| Manufacturers | System Sensor |
| Part Type | Duct Detector |
